City regulators shut down a Marine Park development site after the builders flagrantly ignored city-approved construction blueprints — and put workers’ lives at risk in the process, according to a Department of Buildings spokeswoman. “We issued a stop work order for the site…and issued violations to the contractor for disregarding the approved plans and putting workers in jeopardy by skirting safety regulations,” said Abigail Kunitz. Neighbors filed 11 official complaints to the department since June 2018, claiming that the…